21244290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19139}}^1$

素因数の和:19186

約数の個数: 32

約数和(自身を含む): 52367040

約数和(自身を除く): 31122750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 19139, 38278, 57417, 95695, 114834, 191390, 287085, 574170, 708143, 1416286, 2124429, 3540715, 4248858, 7081430, 10622145, 21244290]

約数ペア:

[(1, 21244290), (2, 10622145), (3, 7081430), (5, 4248858), (6, 3540715), (10, 2124429), (15, 1416286), (30, 708143), (37, 574170), (74, 287085), (111, 191390), (185, 114834), (222, 95695), (370, 57417), (555, 38278), (1110, 19139)]